They Dated?! Surprising Celebrity Hookups

Ivanka Trump & Topher Grace

Ivanka Trump dated Topher Grace?! According to People, the two "danced and cuddled on the VIP bed" at Pure nightclub in Las Vegas for Trump's 25th birthday celebration in 2006. And they weren't even shy about showing some PDA -- they reportedly even "shared a quick kiss" in front of other celebrity guests including Chelsea Handler and Adam Levine.